Biology of Reproduction is the official journal of the Society for the Study of Reproduction (SSR) and publishes original research on a broad range of topics in the field of reproductive biology, as well as minireviews on topics of current importance or controversy. The journal is peer reviewed. Editor-in Chief: Virendra B Mahesh, Ph.D., Associate Editor: Darrell W. Brann, Ph.D. Biology of Reproduction, with an impact factor of 3.508 (ISI 2001 figures, July 2002), is one of the most highly cited journals in the field of reproductive biology.